[Solved] Find the error in this Ruby predicate method:def adult?(age) if age >= 18 true else false — Ans: Missing 'end' keyword to close method | Ruby

Ruby - Methods

Find the error in this Ruby predicate method:

def adult?(age)
  if age >= 18
    true
  else
    false

AMethod name should not have '?'

BComparison operator is incorrect

CMissing 'end' keyword to close method

DReturn values should be strings

Step-by-Step Solution

Solution:

Step 1: Check method structure
Every method definition must end with an 'end' keyword.
Step 2: Identify missing 'end'
The method has an if-else block but lacks the final 'end' to close the method.
Final Answer:
Missing 'end' keyword to close method -> Option C
Quick Check:
Method definitions require 'end' [OK]

Quick Trick: Always close methods with 'end' keyword [OK]

Common Mistakes:

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